Upgrade of the Two-Screen Measurement Setup in the AWAKE Experiment
M. Turner, V. Clerc, I. Gorgisyan, E. Gschwendtner, S. Mazzoni, A., Petrenko
TL;DR
The paper discusses an upgrade to the two-screen diagnostic system in the AWAKE experiment at CERN, aimed at better measuring and understanding proton bunch self-modulation in plasma wakefield acceleration.
Contribution
Introduction of an upgraded two-screen diagnostic system to improve measurement capabilities in the AWAKE experiment.
Findings
The two-screen diagnostic was successfully installed and tested.
Limitations of the current diagnostic were identified.
Plans for further upgrades to enhance measurement accuracy.
Abstract
The AWAKE project at CERN uses a self-modulated \SI{400}{GeV/c} proton bunch to drive GV/m wakefields in a \SI{10}{m} long plasma with an electron density of . We present the upgrade of a proton beam diagnostic to indirectly prove that the bunch self-modulated by imaging defocused protons with two screens downstream the end of the plasma. The two-screen diagnostic has been installed, commissioned and tested in autumn 2016 and limitations were identified. We plan to install an upgraded diagnostics to overcome these limitations.
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